MTD compatible lawn tractor mower blade holder hub shaft Length (mm): 155 Blade holder (mm): 6-point star Weight: 401 g For models: MTD Sprint 870, TF 4120, TF 4130, TF 4135, various, 115-96, 125/96, 145/96, B 12, B 13, B 14, B 124, B 125, B 128, B 135, B 145, B 155, B 160, 13/96, H 125, H 130, H 145, H 150 B, H 165, H 180, HF 4145, JF 130, L 130, L 145 H, LH 125, Pinto, SLX 96 S Part No.: 13289541 Original part No.: 738-0933 MTD